package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlScaleHistory entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlScaleHistory
 * @author MyEclipse Persistence Tools
 */

public class MdlScaleHistoryDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlScaleHistoryDAO.class);
	// property constants
	public static final String ACTION = "action";
	public static final String OLDID = "oldid";
	public static final String SOURCE = "source";
	public static final String TIMEMODIFIED = "timemodified";
	public static final String LOGGEDUSER = "loggeduser";
	public static final String COURSEID = "courseid";
	public static final String USERID = "userid";
	public static final String NAME = "name";
	public static final String SCALE = "scale";
	public static final String DESCRIPTION = "description";

	public void save(MdlScaleHistory transientInstance) {
		log.debug("saving MdlScaleHistory instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlScaleHistory persistentInstance) {
		log.debug("deleting MdlScaleHistory instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlScaleHistory findById(java.lang.Long id) {
		log.debug("getting MdlScaleHistory instance with id: " + id);
		try {
			MdlScaleHistory instance = (MdlScaleHistory) getSession().get(
					"idv.loveloser.dao.MdlScaleHistory", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlScaleHistory instance) {
		log.debug("finding MdlScaleHistory instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlScaleHistory")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlScaleHistory instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlScaleHistory as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByAction(Object action) {
		return findByProperty(ACTION, action);
	}

	public List findByOldid(Object oldid) {
		return findByProperty(OLDID, oldid);
	}

	public List findBySource(Object source) {
		return findByProperty(SOURCE, source);
	}

	public List findByTimemodified(Object timemodified) {
		return findByProperty(TIMEMODIFIED, timemodified);
	}

	public List findByLoggeduser(Object loggeduser) {
		return findByProperty(LOGGEDUSER, loggeduser);
	}

	public List findByCourseid(Object courseid) {
		return findByProperty(COURSEID, courseid);
	}

	public List findByUserid(Object userid) {
		return findByProperty(USERID, userid);
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByScale(Object scale) {
		return findByProperty(SCALE, scale);
	}

	public List findByDescription(Object description) {
		return findByProperty(DESCRIPTION, description);
	}

	public List findAll() {
		log.debug("finding all MdlScaleHistory instances");
		try {
			String queryString = "from MdlScaleHistory";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlScaleHistory merge(MdlScaleHistory detachedInstance) {
		log.debug("merging MdlScaleHistory instance");
		try {
			MdlScaleHistory result = (MdlScaleHistory) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlScaleHistory instance) {
		log.debug("attaching dirty MdlScaleHistory instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlScaleHistory instance) {
		log.debug("attaching clean MdlScaleHistory instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}